64394650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 124822368

約数和(自身を除く): 60427718

約数列:

[1, 2, 5, 10, 25, 43, 50, 61, 86, 122, 215, 305, 430, 491, 610, 982, 1075, 1525, 2150, 2455, 2623, 3050, 4910, 5246, 12275, 13115, 21113, 24550, 26230, 29951, 42226, 59902, 65575, 105565, 131150, 149755, 211130, 299510, 527825, 748775, 1055650, 1287893, 1497550, 2575786, 6439465, 12878930, 32197325, 64394650]

約数ペア:

[(1, 64394650), (2, 32197325), (5, 12878930), (10, 6439465), (25, 2575786), (43, 1497550), (50, 1287893), (61, 1055650), (86, 748775), (122, 527825), (215, 299510), (305, 211130), (430, 149755), (491, 131150), (610, 105565), (982, 65575), (1075, 59902), (1525, 42226), (2150, 29951), (2455, 26230), (2623, 24550), (3050, 21113), (4910, 13115), (5246, 12275)]